Add 50/18 and 40/20
1st number: 2 14/18, 2nd number: 2 0/20
50/18 + 40/20 is 43/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
50/18 = 50 × 10/18 × 10 = 500/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
40/20 = 40 × 9/20 × 9 = 360/180 - Add the two like fractions:
500/180 + 360/180 = 500 + 360/180 = 860/180 - 860/180 simplified gives 43/9
- So, 50/18 + 40/20 = 43/9
In mixed form: 47/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+80/20 50/36+40/20 50/54+40/20 50/18+40/60 50/90+40/20